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xorg: xwayland: Use of uninitialized pointer in compRedirectWindow()

🗓️ 17 Apr 2025 06:39:23Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 9 Views

In X.Org and Xwayland, compRedirectWindow() uses an uninitialized pointer after backing pixmap allocation fails.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2025-26599
25 Feb 202516:15
–attackerkb
Tenable Nessus		Amazon Linux 2023 : xorg-x11-server-Xwayland, xorg-x11-server-Xwayland-devel (ALAS2023-2025-891)
31 Mar 202500:00
–nessus
Tenable Nessus		Amazon Linux 2023 : xorg-x11-server-common, xorg-x11-server-devel, xorg-x11-server-source (ALAS2023-2025-892)
31 Mar 202500:00
–nessus
Tenable Nessus		Amazon Linux 2023 : xorg-x11-server-Xwayland, xorg-x11-server-Xwayland-devel (ALAS2023-2025-895)
31 Mar 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : xorg-x11-server (ALAS-2025-2791)
27 Mar 202500:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0041: tigervnc (ALINUX3-SA-2025:0041)
14 May 202500:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0076: xorg-x11-server-Xwayland (ALINUX3-SA-2025:0076)
27 May 202500:00
–nessus
Tenable Nessus		AlmaLinux 9 : tigervnc (ALSA-2025:2500)
16 May 202500:00
–nessus
Tenable Nessus		AlmaLinux 8 : tigervnc (ALSA-2025:2502)
16 May 202500:00
–nessus
Tenable Nessus		AlmaLinux 9 : xorg-x11-server (ALSA-2025:7163)
3 Jul 202500:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6.10i686tigervnc1.1.0-25.el6_10tigervnc-1.1.0-25.el6_10.i686.rpm
Red Hat Enterprise Linux6.10s390xtigervnc1.1.0-25.el6_10tigervnc-1.1.0-25.el6_10.s390x.rpm
Red Hat Enterprise Linux6.10x86_64tigervnc1.1.0-25.el6_10tigervnc-1.1.0-25.el6_10.x86_64.rpm
Red Hat Enterprise Linux6.10i686tigervnc-debuginfo1.1.0-25.el6_10tigervnc-debuginfo-1.1.0-25.el6_10.i686.rpm
Red Hat Enterprise Linux6.10s390xtigervnc-debuginfo1.1.0-25.el6_10tigervnc-debuginfo-1.1.0-25.el6_10.s390x.rpm
Red Hat Enterprise Linux6.10x86_64tigervnc-debuginfo1.1.0-25.el6_10tigervnc-debuginfo-1.1.0-25.el6_10.x86_64.rpm
Red Hat Enterprise Linux6.10i686tigervnc-server1.1.0-25.el6_10tigervnc-server-1.1.0-25.el6_10.i686.rpm
Red Hat Enterprise Linux6.10s390xtigervnc-server1.1.0-25.el6_10tigervnc-server-1.1.0-25.el6_10.s390x.rpm
Red Hat Enterprise Linux6.10x86_64tigervnc-server1.1.0-25.el6_10tigervnc-server-1.1.0-25.el6_10.x86_64.rpm
Red Hat Enterprise Linux6.10noarchtigervnc-server-applet1.1.0-25.el6_10tigervnc-server-applet-1.1.0-25.el6_10.noarch.rpm
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30 Jun 2026 02:58Current
7High risk
Vulners AI Score7
CVSS 3.17.8
EPSS0.00369
SSVC
CWE-824
xorg serverxwaylanduninitialized pointerbacking pixmap allocationwindow tree validationbad allocation error
9